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Publication - Cell and Tissue Research - STED nanoscopy: a glimpse into the future

Submitted by Lanir Contact Point on Mon, 10/19/2015 - 01:30

Abstract: The well-known saying of “Seeing is believing” became even more apt in biology when stimulated emission depletion (STED) nanoscopy was introduced in 1994 by the Nobel laureate S. Hell and coworkers. We presently stand at a juncture. Nanoscopy represented a revolution in fluorescence microscopy but now is a mature technique applied to many branches of biology, physics, chemistry, and materials science. We are currently looking ahead to the next generation of optical nanoscopes, to the new key player that will arise in the forthcoming years.

Publication - Nature Scientific Reports - High-resolution quantitative determination of dielectric function by using s-SNOM

Submitted by Lanir Contact Point on Fri, 07/03/2015 - 11:34

Abstract

A new method for high-resolution quantitative measurement of the dielectric function by using scattering scanning near-field optical microscopy (s-SNOM) is presented. The method is based on a calibration procedure that uses the s-SNOM oscillating dipole model of the probe-sample interaction and quantitative s-SNOM measurements. The nanoscale capabilities of the method have the potential to enable novel applications in various fields such as nano-electronics, nano-photonics, biology or medicine.

 

Publication - PLoS One - Multilayered Polyelectrolyte Microcapsules: Interaction with the Enzyme Cytochrome C Oxidase

Submitted by Lanir Contact Point on Wed, 11/05/2014 - 00:00

Abstract: Cell-sized polyelectrolyte capsules functionalized with a redox-driven proton pump protein were assembled for the first time. The interaction of polyelectrolyte microcapsules, fabricated by electrostatic layer-by-layer assembly, with cytochrome c oxidase molecules was investigated. We found that the cytochrome c oxidase retained its functionality, that the functionalized microcapsules interacting with cytochrome c oxidase were permeable and that the permeability characteristics of the microcapsule shell depend on the shell components.

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Publication - Optics Express - High resolution imaging with differential IR absorption

Submitted by John Mulcahy on Thu, 09/12/2013 - 13:21

High resolution imaging with differential infrared absorption micro-spectroscopy

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